diff --git a/ChangeLog.md b/ChangeLog.md
index 3010d67f8d..7cc5858a06 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,7 +1,7 @@
 ChangeLog {#changelog}
 =========
 
-# HEAD
+# 2.20.0 - 2023-12-21 # {#changelog_2_20_0}
 - The Windows .exe installer now supports Python 3.7 through 3.12.
 - RPM packages for IMP for RedHat Linux (and clones such as Alma or Rocky)
   and for Fedora are now provided by the
diff --git a/tools/rpm/IMP-copr.spec.in b/tools/rpm/IMP-copr.spec.in
index 7397223c27..8176bb2977 100644
--- a/tools/rpm/IMP-copr.spec.in
+++ b/tools/rpm/IMP-copr.spec.in
@@ -514,6 +514,9 @@ export PYTHONPATH=%{buildroot}%{_libdir}/python${py2_ver}/site-packages
 %endif
 
 %changelog
+* Thu Dec 21 2023 Ben Webb <ben@salilab.org>   2.20.0-1
+- 2.20.0 release.
+
 * Thu Jun 22 2023 Ben Webb <ben@salilab.org>   2.19.0-1
 - 2.19.0 release.
 
diff --git a/tools/rpm/IMP.spec.in b/tools/rpm/IMP.spec.in
index 24008df131..e99098ad10 100644
--- a/tools/rpm/IMP.spec.in
+++ b/tools/rpm/IMP.spec.in
@@ -539,6 +539,9 @@ find ${RPM_BUILD_ROOT}%{_prefix}/share/IMP/tools -name '*.py' -exec perl -pi -e
 %endif
 
 %changelog
+* Thu Dec 21 2023 Ben Webb <ben@salilab.org>   2.20.0-1
+- 2.20.0 release.
+
 * Thu Jun 22 2023 Ben Webb <ben@salilab.org>   2.19.0-1
 - 2.19.0 release.